[PATCH 3/3] ARM: dts: imx: add ZII SCU2 Mezz board

[Andrey Gusakov]

This adds support for the Zodiac Inflight Innovations SCU2 Mezz
board, which is based on the i.MX51.

Signed-off-by: Andrey Gusakov <andrey.gusakov@xxxxxxxxxxxxxxxxxx>
---
 arch/arm/boot/dts/Makefile                |   3 +-
 arch/arm/boot/dts/imx51-zii-scu2-mezz.dts | 190 ++++++++++++++++++++++++++++++
 2 files changed, 192 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boot/dts/imx51-zii-scu2-mezz.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d8900f4..e0dc187 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -359,7 +359,8 @@ dtb-$(CONFIG_SOC_IMX51) += \
 	imx51-eukrea-mbimxsd51-baseboard.dtb \
 	imx51-ts4800.dtb \
 	imx51-zii-rdu1.dtb \
-	imx51-zii-scu2-esb.dtb
+	imx51-zii-scu2-esb.dtb \
+	imx51-zii-scu2-mezz.dtb
 dtb-$(CONFIG_SOC_IMX53) += \
 	imx53-ard.dtb \
 	imx53-cx9020.dtb \
diff --git a/arch/arm/boot/dts/imx51-zii-scu2-mezz.dts b/arch/arm/boot/dts/imx51-zii-scu2-mezz.dts
new file mode 100644
index 0000000..f58572a
--- /dev/null
+++ b/arch/arm/boot/dts/imx51-zii-scu2-mezz.dts
@@ -0,0 +1,190 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+// Copyright (C) 2018 Zodiac Inflight Innovations
+
+/dts-v1/;
+#include "imx51-zii-common.dtsi"
+
+/ {
+	model = "ZII SCU2 Mezz Board";
+	compatible = "zii,imx51-scu2-mezz", "fsl,imx51";
+
+	aliases {
+		mdio-gpio0 = &mdio_gpio;
+	};
+
+	mdio_gpio: mdio-gpio {
+		compatible = "virtual,mdio-gpio";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_swmdio>;
+		gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>, /* mdc */
+			<&gpio2 6 GPIO_ACTIVE_HIGH>; /* mdio */
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		switch@0 {
+			compatible = "marvell,mv88e6085";
+			reg = <0>;
+			dsa,member = <0 0>;
+			eeprom-length = <512>;
+			interrupt-parent = <&gpio1>;
+			interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					label = "port4";
+				};
+
+				port@1 {
+					reg = <1>;
+					label = "port5";
+				};
+
+				port@2 {
+					reg = <2>;
+					label = "port6";
+				};
+
+				port@3 {
+					reg = <3>;
+					label = "port7";
+				};
+
+				port@4 {
+					reg = <4>;
+					label = "cpu";
+					ethernet = <&fec>;
+
+					fixed-link {
+						speed = <100>;
+						full-duplex;
+					};
+				};
+
+				port@5 {
+					reg = <5>;
+					label = "mezz2esb";
+					phy-mode = "sgmii";
+					fixed-link {
+						speed = <1000>;
+						full-duplex;
+					};
+				};
+			};
+		};
+	};
+};
+
+&usb_vbus {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb_mmc_reset>;
+	gpio = <&gpio3 13 GPIO_ACTIVE_LOW>;
+	startup-delay-us = <150000>;
+};
+
+&esdhc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_esdhc1_4bit &pinctrl_esdhc1_8bit>;
+	bus-width = <8>;
+};
+
+&fec {
+	phy-reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
+	phy-reset-duration = <1>;
+	phy-supply = <&vgen3_reg>;
+	phy-handle = <&ethphy>;
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy: ethernet-phy@0 {
+			reg = <0>;
+			max-speed = <100>;
+		};
+	};
+};
+
+
+&i2c_gpio {
+	gpios = <&gpio3 2 GPIO_ACTIVE_HIGH>, /* sda */
+		<&gpio3 1 GPIO_ACTIVE_HIGH>; /* scl */
+};
+
+&uart2 {
+	status = "disabled";
+};
+
+&vsd_reg {
+	regulator-always-on;
+};
+
+&iomuxc {
+	pinctrl_fec: fecgrp {
+		fsl,pins = <
+			MX51_PAD_DISP2_DAT15__FEC_TDATA0	0x2004
+			MX51_PAD_DISP2_DAT6__FEC_TDATA1		0x2004
+			MX51_PAD_DISP2_DAT7__FEC_TDATA2		0x2004
+			MX51_PAD_DISP2_DAT8__FEC_TDATA3		0x2004
+			MX51_PAD_DISP2_DAT9__FEC_TX_EN		0x2004
+			MX51_PAD_DISP2_DAT10__FEC_COL		0x0180
+			MX51_PAD_DISP2_DAT11__FEC_RX_CLK	0x0180
+			MX51_PAD_DISP2_DAT12__FEC_RX_DV		0x20a4
+			MX51_PAD_DISP2_DAT1__FEC_RX_ER		0x20a4
+			MX51_PAD_DISP2_DAT13__FEC_TX_CLK	0x2180
+			MX51_PAD_DI_GP3__FEC_TX_ER		0x2004
+			MX51_PAD_DISP2_DAT14__FEC_RDATA0	0x2180
+			MX51_PAD_DI2_DISP_CLK__FEC_RDATA1	0x0085
+			MX51_PAD_DI_GP4__FEC_RDATA2		0x0085
+			MX51_PAD_DISP2_DAT0__FEC_RDATA3		0x0085
+			MX51_PAD_DI2_PIN2__FEC_MDC		0x2004
+			MX51_PAD_DI2_PIN3__FEC_MDIO		0x01f5
+			MX51_PAD_DI2_PIN4__FEC_CRS		0x0180
+			MX51_PAD_EIM_A20__GPIO2_14		0x0085
+			MX51_PAD_EIM_A21__GPIO2_15		0x00e5
+		>;
+	};
+
+	pinctrl_uart1: uart1grp {
+		fsl,pins = <
+			MX51_PAD_UART1_RXD__UART1_RXD		0x1c5
+			MX51_PAD_UART1_TXD__UART1_TXD		0x1c5
+		>;
+	};
+
+	pinctrl_uart2: uart2grp {
+	};
+
+	pinctrl_uart3: uart3grp {
+		fsl,pins = <
+			MX51_PAD_UART3_RXD__UART3_RXD		0x1c5
+			MX51_PAD_UART3_TXD__UART3_TXD		0x1c5
+		>;
+	};
+
+	pinctrl_usb_mmc_reset: usbmmcgrp {
+		fsl,pins = <
+			MX51_PAD_CSI1_D9__GPIO3_13		0x85
+		>;
+	};
+
+	pinctrl_swmdio: swmdiogrp {
+		fsl,pins = <
+			MX51_PAD_EIM_D22__GPIO2_6		0x100
+			MX51_PAD_EIM_D23__GPIO2_7		0x100
+		>;
+	};
+
+	pinctrl_swi2c: swi2cgrp {
+		fsl,pins = <
+			MX51_PAD_DI1_PIN12__GPIO3_1		0x100
+			MX51_PAD_DI1_PIN13__GPIO3_2		0x100
+		>;
+	};
+};
-- 
1.9.1